In this study, high-purity iron with purity of 99.987 wt.% was prepared employing a process of direct reduction–melting separation–slag refining. The iron ore after …
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2024101· Iron grain growth during deep reduction roasting is important for iron enrichment from copper slag (CS) through magnetic separation. In this work, a novel method of additive-free activation roasting, including oxidation and subsequent reduction roasting, was proposed to increase the iron grain size, then the iron was extracted by magnetic
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200731· Significant quantities of sludge and slag are generated as waste material or byproduct every day from steel industries. They usually contain considerable quantities of valuable metals and materials. It is generally possible to recover some values by physical or chemical mineral processing techniques such as crushing, grinding, classification, …
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The particle size distribution and the granulochemistry were taken into account in this work. The electro-fragmentation technique was carried out in order to …
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20191029· Along with iron and steel production, large amount of slag is generated. Proper management on the iron- and steelmaking slag is highly demanded due to the high cost of direct disposal of the slag to landfill, which is the most adopted management approach. In this article, the potential application of iron- and steelmaking slag has been reviewed, which included the …
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In view of the above problems, the present invention provides a magnetic separation method for recovering an iron-based compound and metallic iron from a slurry steelmaking slag by …
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113· The electric arc furnace (EAF) smelting ilmenite concentrate process which produces titania slag, is high energy consumption, high pollution, and low efficiency process. An economical and clean process for semi-molten reduction followed by magnetic separation to produce titania slag from Panzhihua ilmenite concentrate is proposed. In the present study, …
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The specific type of slag used for concreting is obtained from the steel and iron industries and is known as blast furnace slag. Blast furnace slag is generally formed by suddenly cooling the molten slag by immersing it in water. This action alters the …
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1 · Vanadium-bearing steel slag was from Sichuan Tranvic Group Co. Ltd., which was the discharge in the direct steelmaking with vanadium-bearing molten iron in the converter by …
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20241110· Explore Waelz slag composition, iron recovery through magnetic separation, and offering eco-friendly alternatives for EAF dust by …
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In this study, high-purity iron with purity of 99.987 wt.% was prepared employing a process of direct reduction–melting separation–slag refining. The iron ore after …
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There are many different types of iron slag. Some were produced by smelting, others by smithing; some are large, some so tiny they are invisible to the naked eye when in the soil. Some are magnetic, others not. What follows is a very brief summary of the processes which produce the types of iron slag most likely to be found on archaeological sites in both rural and urban areas.
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2025424· The presence of a polymeric matrix alters the anisotropy, which reduces the magnetic response compared to pure maghemite. This method efficiently integrates iron oxide nanoparticles into a polymeric composite. However, it has limitations such as lower magnetic saturation and presence of non-magnetic organic phases.
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202431· Magnetic separation is an effective method to recover iron from steel slag. However, the ultra-fine tailings generated from steel slag become a new issue for utilization. The dry separation
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202431· The presence of magnetic inert minerals (RO phase, Fe 3 O 4, Fe) in steel slag powder 13 enables the separation of these minerals from the …
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Molten slag is carried outside and poured into a dump. Caletones copper smelter in El Teniente mine, Chile. Slag is a by-product or co-product of smelting …
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The specific type of slag used for concreting is obtained from the steel and iron industries and is known as blast furnace slag. Blast furnace slag is generally formed by suddenly cooling the molten slag by immersing it in water. This action alters the …
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Molten slag is carried outside and poured into a dump. Caletones copper smelter in El Teniente mine, Chile. Slag is a by-product or co-product of smelting (pyrometallurgical) ores and recycled metals depending on the type of material being produced. [1] Slag is mainly a mixture of metal oxides and silicon dioxide. Broadly, it can be classified as ferrous (co-products of processing …
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2024415· This study explored the recovery of valuable metal elements in the lead smelting water-quenching slag using the method of “roasting–grinding–magnetic …
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2011121· The process of “re-resourcing of converter slag” was put forward based on the analysis of the existing steel slag treatment process. The converter slag obtained from Jinan steel plant was studied. After grinding, the slag contained 3.3% of iron particles, 54.84% of magnetic part (ω TVe = 20%), and 41.84% of non-magnetic part, which could be used for making …
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3.2 Crushing and magnetic separation Steelmaking slag contains about 10-40wt% metal iron (exclud-ing iron oxides), which is derived from the refining process or from some processing vessel (e.g., the converter, hot metal/molten steel ladle, or tundish). It is advantageous to separate this iron from the slag for the purpose of using the iron recovered as a substitute for …
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Nippon Magnetic Dressing Co., Ltd. - Iron and steel slag Nippon Magnetic Dressing is utilizing its crushing & separating processing technology fostered through its many years of slag processing to engineer devices that make resource recycling a reality. "Hanging-type iron scrap separator" that is adapted to sorting of construction waste, crushing waste, etc.
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Further, the quality of metallic scrap and other iron-unit feed stocks has steadily deteriorated. The result: slag generation and slag related melting problems have become widespread issues in recent years. A search of the foundry tech-nical literature about slag control and buildup from the past 30 years finds only a handful of articles.
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Abstract Along with iron and steel production, large amount of slag is generated. Proper management on the iron- and steelmaking slag is highly demanded due to the high cost of direct disposal of the slag to landfill, which is the most adopted management approach.
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The particle size distribution and the granulochemistry were taken into account in this work. The electro-fragmentation technique was carried out in order to …
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Nippon Magnetic Dressing Co., Ltd. - Iron and steel slag Nippon Magnetic Dressing is utilizing its crushing & separating processing technology fostered through its many years of slag processing to engineer devices that make resource recycling a reality. "Hanging-type iron scrap separator" that is adapted to sorting of construction waste, crushing waste, etc.
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